CN212603057U - Mould with delay ejecting structure - Google Patents
Mould with delay ejecting structure Download PDFInfo
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- CN212603057U CN212603057U CN202020796302.5U CN202020796302U CN212603057U CN 212603057 U CN212603057 U CN 212603057U CN 202020796302 U CN202020796302 U CN 202020796302U CN 212603057 U CN212603057 U CN 212603057U
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Abstract
The utility model discloses a mould with postpone ejecting structure, including ejecting structure, ejecting structure is including continuous last roof and lower roof, still including the thimble that runs through roof, lower bolster and public mould benevolence in proper order, sets up flutedly between lower roof and the last roof, installs a plurality of delay fore-set in the recess, delays the fore-set upper end and is equipped with the kicking block of being connected with the thimble respectively, and the position that the roof corresponds the delay fore-set down is equipped with the through-hole respectively, delays the activity interlude of fore-set in the through-hole. The utility model provides a set up the recess that is used for holding a plurality of thimbles and postpones the fore-set on the lower roof in, the position department that corresponds the injection molding difference is equipped with different thimbles and postpones the fore-set, through setting up the difference of kicking block for the height of recess bottom, realizes ejecting stage by stage of the different positions of injection molding to postpone the fore-set and the thimble all is located the recess, be convenient for adjust or change according to the technology demand and postpone the fore-set, strengthened the commonality of mould.
Description
Technical Field
The utility model relates to the technical field of mold, especially, relate to a mould with postpone ejecting structure.
Background
The existing plastic products generally need to be injection molded through an injection mold, some plastic products have high requirements on the precision of the size, and further have high requirements on the process of the products in the injection molding process, for example, products with large popularization such as a cashier bar code scanning bottle need to be ejected out stage by stage in the injection molding process, otherwise the quality of the products cannot be guaranteed, for example, a glue inlet of the products is easy to be damaged by pulling, a runner needs to be ejected out first, and then the products need to be ejected out, for example, in order to enable a nozzle material to be separated from the products better, the products need to be ejected out first and then the nozzle material needs to be ejected out.
In conclusion, the existing injection molding process of plastic products is complex, and correspondingly, the structure of the injection mold is more and more complex, the universality is poor, and the process improvement is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the mold with the delayed ejection structure is provided to solve the problem of poor universality of injection molds in the prior art.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a mould with postpone ejecting structure, includes mould part and lower mould part, the lower mould part includes public mould benevolence, lower bolster, square iron and the bottom plate that connects gradually from the top down, the lower bolster with be provided with two between the bottom plate square iron, two be equipped with ejecting structure between the square iron, ejecting structure is including continuous roof and roof down, still including running through in proper order roof, lower bolster and the thimble of public mould benevolence, roof down with set up flutedly between the roof, install a plurality of delay fore-set in the recess, delay the fore-set upper end be equipped with respectively with the kicking block that the thimble is connected, the roof corresponds the position of delaying the fore-set is equipped with the through-hole respectively, the activity of delaying the fore-set break insert in the through-hole.
Furthermore, the through hole is a stepped hole with a stepped surface, and an elastic part connected with the top block is arranged in the stepped hole.
Further, the shoulder hole includes two ladder faces, one of them ladder face with the kicking block is contradicted, another ladder face with be equipped with between the kicking block the elastic component.
Further, the top block is abutted against the bottom of the groove of the lower top plate.
Furthermore, the ejector block is connected with the ejector pin screw.
Furthermore, the ejector pin and the delay ejector column are integrally formed, and a plurality of annular grooves used for installing the ejector block are formed in the delay ejector column and/or the ejector pin.
Further, the top block is a snap ring matched with the annular groove.
Furthermore, the shape of the needle head of the thimble is circular or semicircular.
Further, the height of the delay top column is larger than the thickness from the bottom of the groove of the lower top plate to the bottom of the lower top plate.
The beneficial effects of the utility model reside in that: the utility model provides a mould with postpone ejecting structure simple structure, the commonality is strong, set up the recess that is used for holding a plurality of thimbles and postpones the fore-set on the roof down, the position department that corresponds the injection molding difference is equipped with different thimbles and postpones the fore-set, through setting up the kicking block for the difference in height of recess bottom, realizes ejecting stage by stage of the different positions of injection molding, and delay the fore-set with the thimble all is located the recess, is convenient for adjust or change according to the technology demand delay the fore-set, strengthened the commonality of mould.
Drawings
Fig. 1 is a schematic structural view of a lower mold portion of a mold having a delayed ejection structure according to a first embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural view of an ejection structure according to a second embodiment of the present invention,
fig. 4 is a schematic structural diagram of an ejection structure according to a third embodiment of the present invention.
Description of reference numerals:
1. a lower top plate; 11. a groove; 12. a through hole; 13. an elastic member; 2. an upper top plate; 3. a delay jack post; 31. a top block; 32. a clamping block; 33. an annular groove; 4. a thimble; 5. a lower fixing plate; 6. square iron; 7. a lower template; 8. a male mold core.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: different height differences are arranged between the ejector block and the bottom of the groove, so that the injection molding part can be ejected out in different stages at different positions, the ejector pin and the delay ejection column are located in the same groove, the delay ejection column can be conveniently adjusted or replaced according to process requirements, and the universality of the mold is enhanced.
Referring to fig. 1 to 4, a mold with a delayed ejection structure includes an upper mold part and a lower mold part, the lower mold part includes a core insert 8, a lower mold plate 7, square irons 6 and a lower fixing plate 5 which are sequentially connected from top to bottom, two square irons 6 are disposed between the lower mold plate 7 and the lower fixing plate 5, an ejection structure is disposed between the two square irons 6, the ejection structure includes an upper top plate 2 and a lower top plate 1 which are connected, and further includes ejector pins 4 which sequentially penetrate through the upper top plate 2, the lower mold plate 7 and the core insert 8, a groove 11 is disposed between the lower top plate 1 and the upper top plate 2, a plurality of delayed ejection pillars 3 are mounted in the groove 11, ejector blocks 31 connected with the ejector pins 4 are respectively disposed at upper ends of the delayed ejection pillars 3, through holes 12 are respectively disposed at positions of the lower top plate 1 corresponding to the delayed ejection pillars 3, the delay top column 3 is movably inserted in the through hole 12.
From the above description, the beneficial effects of the present invention are: the lower top plate 1 is provided with a groove 11 for accommodating a plurality of ejector pins 4 and a delay ejector column 3, different ejector pins 4 and delay ejector columns 3 are arranged at different positions of the injection molding part, ejection of different positions of the injection molding part is realized by setting different height differences of an ejector block 31 relative to the bottom of the groove 11, the delay ejector columns 3 and the ejector pins 4 are both positioned in the groove 11, the delay ejector columns 3 are convenient to adjust or replace according to process requirements, and the universality of the mold is enhanced.
Further, the through hole 12 is a stepped hole with a stepped surface, and an elastic part 13 connected with the top block 31 is arranged in the stepped hole.
As can be seen from the above description, the elastic member 13 is adapted to ensure that the position of the delay post 3 with respect to the bottom of the bottom fixing plate 5 does not change until the bottom of the recess 11 abuts against the bottom of the top block 31 connected to the elastic member 13, and the stepped hole is adapted to receive the elastic member 13.
Further, the shoulder hole includes two ladder faces, one of them ladder face with kicking block 31 contradicts, another ladder face with be equipped with between the kicking block 31 elastic component 13.
Known from the above description, the shoulder hole sets up two ladder faces, is convenient for accomodate and receives elastic component 13, simultaneously be convenient for again accomodate kicking block 31 has dodged out the space of recess 11 to a certain extent, does benefit to the compactness of reinforcing structure.
Further, the top block 31 is abutted against the bottom of the groove 11 of the lower top plate 1.
As can be seen from the above description, the top block 31 abuts against the bottom of the groove 11, so that the contact area between the top block 31 and the lower top plate 1 is increased, and the lower top plate 1 is facilitated to better abut against the top block 31, so that the ejector pin 4 is ejected out.
Further, the top block 31 is screwed with the thimble 4.
As can be seen from the above description, the ejector block 31 is connected to the ejector pin 4 by screws, so that the ejector pin is convenient to detach, and the delay jack 3 is easy to replace, thereby adjusting the production process.
Further, the thimble 4 and the delay top column 3 are integrally formed, and a plurality of annular grooves 33 for installing the top block 31 are formed on the delay top column 3 and/or the thimble 4.
As can be seen from the above description, the thimble 4 and the delay thimble 3 are integrally formed, and a plurality of annular grooves 33 are provided for mounting the top block 31, so that the height of the top block 31 relative to the lower top plate 1 can be adjusted by mounting the top block 31 into different annular grooves 33, and the operation is simple and convenient, thereby facilitating the improvement of the mold universality.
Further, the top block 31 is a snap ring matched with the annular groove 33.
As can be seen from the above description, the top block 31 is configured in a snap ring shape, so that the top block 31 is better fitted with the annular groove 33.
Further, the shape of the needle head of the thimble 4 is circular or semicircular.
As can be seen from the above description, the needle heads of the ejector pins 4 can be reasonably arranged according to the process requirements, and the improvement of the mold universality is facilitated.
Further, the height of the delay top column 3 is larger than the thickness from the bottom of the groove 11 of the lower top plate 1 to the bottom of the lower top plate 1.
As can be seen from the above description, the height of the delay top 3 is greater than the thickness from the bottom of the groove 11 of the lower top plate 1 to the bottom of the lower top plate 1, so that the reliability of the functional performance of the delay top 3 is ensured.
Example one
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: a mould with a delay ejection structure comprises an upper mould part and a lower mould part, wherein the upper mould part comprises an upper fixing plate, a hot runner plate, an upper mould plate and a cavity core which are sequentially connected from top to bottom, the lower mould part comprises a core insert 8, a lower mould plate 7, square irons 6 and a lower fixing plate 5 which are sequentially connected from top to bottom, an injection moulding cavity is formed between the cavity core and the core insert 8, two square irons 6 are arranged between the lower mould plate 7 and the lower fixing plate 5, an ejection structure is arranged between the two square irons 6, the ejection structure comprises an upper top plate 2 and a lower top plate 1 which are connected, and also comprises thimbles 4 which sequentially penetrate through the upper top plate 2, the lower mould plate 7 and the core insert 8, a groove 11 is formed between the lower top plate 1 and the upper top plate 2, a plurality of delay ejection columns 3 are arranged in the groove 11, the upper ends of the delay ejection columns 3 are respectively provided with ejector blocks 31 which are connected with the thimbles 4, the top of the ejector block 31 is connected with the bottom of the ejector pin 4, through holes 12 are respectively formed in the positions, corresponding to the delay ejector columns 3, of the lower ejector plate 1, the delay ejector columns 3 are movably inserted into the through holes 12, when the lower ejector plate 1 rises to a certain height, the bottom of the ejector block 31 is abutted against the lower ejector plate 1, so that the ejector pin 4 is pushed to eject, and in order to ensure that the ejector block 31 and the bottom of the groove 11 of the lower ejector plate 1 keep a certain delay distance in the die assembly state, the height of the delay ejector column 3 needs to be larger than the thickness between the bottom of the groove 11 of the lower ejector plate 1 and the bottom of the lower ejector plate 1; it is easy to understand, set up on the roof 1 down and be used for holding a plurality of thimbles 4 and postpone the recess 11 of fore-set 3, the position department that corresponds the injection molding difference is equipped with different thimbles 4 and postpones the fore-set 3, through setting up the difference in height of kicking block 31 for the recess 11 bottom, realize ejecting stage by stage to the different positions of injection molding, and delay the fore-set 3 with the thimble 4 all is located recess 11, be convenient for adjust or change according to the technology demand delay the fore-set 3, strengthened the commonality of mould.
Preferably, the ejector block 31 is in screwed connection with the ejector pin 4, and is easy to understand, the ejector block 31 is in screwed connection with the ejector pin 4, so that the ejector pin is convenient to disassemble and convenient to replace, and the delay ejection column 3 is convenient to adjust the production process.
Optionally, the thimble 4 can be round head thimble, semicircle head thimble or flat head thimble, and is concrete, can be right according to the technology demand the syringe needle of thimble 4 carries out reasonable setting, does benefit to the promotion of mould commonality.
Optionally, a fixture block 32 may be further disposed on the delay top post 3, the fixture block 32 is located between the top block 31 and the lower top plate 1 and movably sleeved on the delay top post 3, and the thickness of the fixture block 32 is smaller than the height between the top block 31 and the bottom of the groove 11 in the mold closing state, so that the process can be adjusted by sleeving a corresponding number of fixture blocks 32 on the delay top post 3 according to the process requirement, and the universality of the mold is further enhanced.
The embodiment of the utility model provides a theory of operation does:
when the die is closed, the lower top plate 1 is located at the lower limit position, and the bottoms of the delay top columns 3 are respectively abutted against the lower fixing plate 5.
During ejection, the lower top plate 1 rises, and according to the sequence of the height difference of each top block 31 relative to the bottom of the top plate groove 11, the lower top plate 1 sequentially pushes the delay ejection columns 3 to be separated from the lower fixing plate 5 and eject the ejector pins 4.
Example two
Referring to fig. 3, the second embodiment of the present invention is a further improvement of the lower top plate 1 on the basis of the first embodiment, and the difference from the first embodiment is that: through-hole 12 on the roof board 1 is for having the shoulder hole of ladder face down, be equipped with in the shoulder hole with elastic component 13 that kicking block 31 is connected, it is concrete, elastic component 13 is the spring, under the compound die state, the spring is in tensile state, works as roof board 1 down with when kicking block 31 contradicts, the spring is in natural state, easy understanding, elastic component 13 is convenient for ensure recess 11 bottom contradict with before the kicking block 31 bottom that elastic component 13 is connected, delay the fore-set 3 for the position of bottom fixing plate 5 does not change, the shoulder hole is convenient for hold elastic component 13.
Optionally, the stepped hole may be configured as a stepped surface, and correspondingly, in the ejection state, the ejector block 31 abuts against the bottom of the groove 11 of the lower top plate 1, so that the contact area between the ejector block 31 and the lower top plate 1 is increased, and the lower top plate 1 is favorable to better abut against the ejector block 31 so as to eject the thimble 4; the shoulder hole can also set up two ladder faces, one of them ladder face with kicking block 31 is contradicted, another ladder face with be equipped with between the kicking block 31 elastic component 13, it is concrete, the shoulder hole sets up two ladder faces, is convenient for accomodate and receives elastic component 13, be convenient for again simultaneously accomodate kicking block 31 has dodged recess 11's space to a certain extent, does benefit to the compactedness of structure, can rationally set up according to the technology demand of reality the quantity of the ladder face of shoulder hole.
EXAMPLE III
Referring to fig. 4, a third embodiment of the present invention is a further improvement of the delay jack 3 on the basis of the first embodiment, and is different from the first embodiment in that: thimble 4 with delay 3 integrated into one piece of fore-set, delay the fore-set 3 and/or be equipped with a plurality of installations that are used for on thimble 4 the ring channel 33 of kicking block 31, it is concrete, kicking block 31 be with ring channel 33 complex snap ring, so that kicking block 31 better with the cooperation of ring channel 33, easy understanding, thimble 4 with delay 3 integrated into one piece settings of fore-set to set up a plurality of installations that are used for the ring channel 33 of kicking block 31, the accessible will thereby adjustment in the ring channel 33 of kicking block 31 installation to the difference the kicking block 31 for the height of roof 1 down, easy and simple to handle does benefit to the promotion of mould commonality.
To sum up, the utility model provides a mould commonality with delay ejecting structure is strong, simple structure, satisfies the technology improvement needs in the production.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a mould with postpone ejecting structure, includes mould part and lower mould part, the lower mould part includes public mould benevolence, lower bolster, square iron and the bottom plate that connects gradually from the top down, the lower bolster with be provided with two between the bottom plate square iron, two be equipped with ejecting structure between the square iron, ejecting structure is including continuous roof and roof down, still including running through in proper order roof, lower bolster and the thimble of public mould benevolence, a serial communication port, roof down with set up flutedly between the roof up, install a plurality of delay fore-set in the recess, delay the fore-set upper end be equipped with respectively with the kicking block that the thimble is connected, the roof down corresponds the position of delaying the fore-set is equipped with the through-hole respectively, delay the fore-set activity interlude in the through-hole.
2. The mold with a delayed ejection structure according to claim 1, wherein the through hole is a stepped hole having a stepped surface, and an elastic member connected to the ejector block is provided inside the stepped hole.
3. The mold with the structure for delaying the ejection according to claim 2, wherein the stepped hole comprises two stepped surfaces, one of which is abutted against the top block, and the elastic member is provided between the other stepped surface and the top block.
4. The mold with a delayed ejection structure of claim 2, wherein the top block interferes with a groove bottom of the lower top plate.
5. The mold with a delayed ejection structure of claim 1, wherein the ejector block is connected with the ejector pin screw.
6. The mold of claim 1, wherein the ejector pin is integrally formed with the delay cylinder, and a plurality of annular grooves are formed on the delay cylinder and/or the ejector pin for mounting the ejector block.
7. The mold having a delayed ejection structure of claim 6, wherein the top block is a snap ring fitted with the annular groove.
8. The mold having a delayed ejection structure according to claim 1, wherein the needle shape of the ejector pin is circular or semicircular.
9. The mold with a delayed ejection structure of claim 1, wherein the height of the delayed ejection pillars is greater than the thickness from the bottom of the groove of the lower top plate to the bottom of the lower top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020796302.5U CN212603057U (en) | 2020-05-13 | 2020-05-13 | Mould with delay ejecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020796302.5U CN212603057U (en) | 2020-05-13 | 2020-05-13 | Mould with delay ejecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN212603057U true CN212603057U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020796302.5U Active CN212603057U (en) | 2020-05-13 | 2020-05-13 | Mould with delay ejecting structure |
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| CN (1) | CN212603057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696430A (en) * | 2021-07-16 | 2021-11-26 | 珠海凯邦电机制造有限公司 | Multi-pole rotor mold core structure mold |
-
2020
- 2020-05-13 CN CN202020796302.5U patent/CN212603057U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696430A (en) * | 2021-07-16 | 2021-11-26 | 珠海凯邦电机制造有限公司 | Multi-pole rotor mold core structure mold |
| CN113696430B (en) * | 2021-07-16 | 2023-06-23 | 珠海凯邦电机制造有限公司 | Multipolar rotor mold core structure mold |
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